170nEngine specifications
Z3 roadster 2.5i
Z3 roadster 3.0i,
Z3 coupe 3.0i
m
cu. in (cm )
Displacement
Number of cylinders
152.2 (2,494)
6
181.8 (2,979)
6
Maximum power output
at engine speed
hp
rpm
184
6,000
225
5,900
Maximum torque
at engine speed
lb-ft (Nm)
rpm
175 (237)
3,500
214 (290)
3,500
Compression ratio
e
10.5
10.2
Stroke
Bore
in (mm)
in (mm)
2.95 (75.0)
3.31 (84.0)
3.53 (89.6)
3.31 (84.0)
Fuel-injection system
Digital electronic engine-management system
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